various railway track materials and fittings , various railway track material and fittings , combination gfn liner as per rdso specn. no. t 3707 & t 3708 ( concrete sleeper 60 / 52 kgs type ) ( 1 set consists of 2 nos. ) , rails fixing fish plate bolt and nut dia 25 x 130 as per rdso specification no. t-11523 , grooved rubber sole plate as per rdso specification t -3703 / m for 52 kg rail 52 con , elastic rail clip ( pantrol clip ) as per railway rdso specification no.t-3701 , grooved rubber sole plate as per rdso specification t -3711 / m for 60 kg rail. , cotter pin with cotter and chain as per rdso specification no. et 736 / 32